DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerMain power window and door lock/unlock switch
Removal and Installation
REMOVAL
Remove the front door grip cover. Refer to DLK-214, "FRONT DOOR :
Removal and Installation".
Remove the clip (A) from the door grip using a suitable tool.
Release the metal clip and lift the main power window and door
lock/unlock swit ...
Symptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic Worksheet during the interview to
document the facts and conditions when the noise occurs and any customer' ...
Wiring diagram
BRAKE CONTROL SYSTEM
Wiring Diagram
...